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贴片直插MC74HC157ADTR2，MC74HC139AFR2G，MC74HC157ADR2G，4
贴片直插MC74HC14ADTELG，MC74HC139AFL2G，MC74HC139AFR1G，4
贴片直插MC74HC14ADTEL，MC74HC139AFR1，MC74HC14ADR2G，4
